Former hacker

Marc Maiffret says he spent much of his teen years hacking into business and government networks. Today, he is paid to identify weaknesses in companies' systems and says they're not hard to find.

Marc Maiffret says he spent much of his teen years hacking into business and government networks. Today, he is paid to identify weaknesses in companies' systems and says they're not hard to find. (Barbara Davidson / Los Angeles Times)

Marc Maiffret says he spent much of his teen years hacking into business and government networks. Today, he is paid to identify weaknesses in companies' systems and says they're not hard to find.Barbara Davidson / Los Angeles Times